<template>
  <div class="list" ref="wrapper">
    <div>
      <div class="area">
        <div class="title border-topbottom">当前城市</div>
        <div class="button-list">
          <div class="button-wrapper">
            <div class="button">{{ this.$store.state.city }}</div>
          </div>
        </div>
      </div>
      <div class="area">
        <div class="title border-topbottom">热门城市</div>
        <div class="button-list">
          <div
            class="button-wrapper"
            v-for="item in hotCity"
            @click="getCity(item.name)"
            :key="item.id"
          >
            <div class="button">{{ item.name }}</div>
          </div>
        </div>
      </div>
      <div
        class="area"
        v-for="(item, index) in cities"
        :key="index"
        :ref="index"
        @touchstart="start"
        @touchmove="move"
        @touchend="end"
      >
        <div class="title border-topbottom">
          {{ index }}
        </div>
        <div class="item-list">
          <div
            class="item border-bottom"
            v-for="i in item"
            :key="i.id"
            @click="getCity(i.name)"
          >
            {{ i.name }}
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import Bscroll from "better-scroll";
import bus from '../../../bus/bus'
export default {
  name: "",
  components: {},
  props: {
    hotCity: Array,
    cities: Object,
    datas: String,
  },
  data() {
    return {
      touchStart:false
    };
  },
  computed: {},
  watch: {
    datas() {
      // console.log(this.datas);
      if (this.datas) {
        const element = this.$refs[this.datas][0];
        // console.log(element);
        this.scroll.scrollToElement(element);
      }
    },
  },
  created() {},
  mounted() {
    this.scroll = new Bscroll(this.$refs.wrapper);
  },
  methods: {
    getCity(data) {
      // console.log(data);
      this.$store.commit("sendInfo", data);
      this.$router.push("/");
    },
    start() {
      this.touchStart = true;
    },
    move(e) {
      if (this.touchStart) {
        let item = e.target.parentElement.previousElementSibling.innerHTML;
        // console.log(item)
        bus.$emit('item',item)
      }
    },
    end() {
      this.touchStart = false;
    },
  },
};
</script>
<style lang='stylus' scoped>
.border-topbottom {
  &:before {
    border-color: #ccc;
  }

  &:after {
    border-color: #ccc;
  }
}

.border-bottom {
  &:before {
    border-color: #ccc;
  }
}

.list {
  overflow: hidden;
  position: absolute;
  top: 2.5rem;
  left: 0;
  right: 0;
  bottom: 0;

  // background:red
  .title {
    line-height: 0.54rem;
    background: #eee;
    padding-left: 0.2rem;
    color: #666;
    font-size: 0.26rem;
  }

  .button-list {
    overflow: hidden;
    padding: 0.1rem 0.6rem 0.1rem 0.1rem;

    .button-wrapper {
      float: left;
      width: 33.33%;

      .button {
        margin: 0.1rem;
        padding: 0.1rem 0;
        text-align: center;
        border: 0.02rem solid #ccc;
        border-radius: 0.06rem;
      }
    }
  }

  .item-list {
    .item {
      line-height: 0.76rem;
      padding-left: 0.2rem;
    }
  }
}
</style>